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authorJaehoon Chung <jh80.chung@samsung.com>2014-05-26 06:58:28 +0200
committerChris Ball <chris@printf.net>2014-06-05 00:59:12 +0200
commit11bc9381b277a65ea4b3fe994e658f4a78512139 (patch)
treeeed9298c4cc561d2aa2b0a911792045361de6fdd /drivers
parentmmc: add a driver for the Renesas usdhi6rol0 SD/SDIO host controller (diff)
downloadlinux-11bc9381b277a65ea4b3fe994e658f4a78512139.tar.xz
linux-11bc9381b277a65ea4b3fe994e658f4a78512139.zip
mmc: sdhci-s3c: use mmc_of_parse and remove the card_tasklet
Fix the compile error. (Removed the card_tasklet at "mmc: sdhci: push card_tasklet into treaded irq handler") drivers/mmc/host/sdhci-s3c.c: In function ‘sdhci_s3c_notify_change’: drivers/mmc/host/sdhci-s3c.c:402:25: error: ‘struct sdhci_host’ has no member named ‘card_tasklet’ Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/host/sdhci-s3c.c99
1 files changed, 4 insertions, 95 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 781b8a943d38..fa5954a05449 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -374,82 +374,12 @@ static struct sdhci_ops sdhci_s3c_ops = {
.set_uhs_signaling = sdhci_set_uhs_signaling,
};
-static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
-{
- struct sdhci_host *host = platform_get_drvdata(dev);
-#ifdef CONFIG_PM_RUNTIME
- struct sdhci_s3c *sc = sdhci_priv(host);
-#endif
- unsigned long flags;
-
- if (host) {
- spin_lock_irqsave(&host->lock, flags);
- if (state) {
- dev_dbg(&dev->dev, "card inserted.\n");
-#ifdef CONFIG_PM_RUNTIME
- clk_prepare_enable(sc->clk_io);
-#endif
- host->flags &= ~SDHCI_DEVICE_DEAD;
- host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
- } else {
- dev_dbg(&dev->dev, "card removed.\n");
- host->flags |= SDHCI_DEVICE_DEAD;
- host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
-#ifdef CONFIG_PM_RUNTIME
- clk_disable_unprepare(sc->clk_io);
-#endif
- }
- tasklet_schedule(&host->card_tasklet);
- spin_unlock_irqrestore(&host->lock, flags);
- }
-}
-
-static irqreturn_t sdhci_s3c_gpio_card_detect_thread(int irq, void *dev_id)
-{
- struct sdhci_s3c *sc = dev_id;
- int status = gpio_get_value(sc->ext_cd_gpio);
- if (sc->pdata->ext_cd_gpio_invert)
- status = !status;
- sdhci_s3c_notify_change(sc->pdev, status);
- return IRQ_HANDLED;
-}
-
-static void sdhci_s3c_setup_card_detect_gpio(struct sdhci_s3c *sc)
-{
- struct s3c_sdhci_platdata *pdata = sc->pdata;
- struct device *dev = &sc->pdev->dev;
-
- if (devm_gpio_request(dev, pdata->ext_cd_gpio, "SDHCI EXT CD") == 0) {
- sc->ext_cd_gpio = pdata->ext_cd_gpio;
- sc->ext_cd_irq = gpio_to_irq(pdata->ext_cd_gpio);
- if (sc->ext_cd_irq &&
- request_threaded_irq(sc->ext_cd_irq, NULL,
- sdhci_s3c_gpio_card_detect_thread,
- IRQF_TRIGGER_RISING |
- IRQF_TRIGGER_FALLING |
- IRQF_ONESHOT,
- dev_name(dev), sc) == 0) {
- int status = gpio_get_value(sc->ext_cd_gpio);
- if (pdata->ext_cd_gpio_invert)
- status = !status;
- sdhci_s3c_notify_change(sc->pdev, status);
- } else {
- dev_warn(dev, "cannot request irq for card detect\n");
- sc->ext_cd_irq = 0;
- }
- } else {
- dev_err(dev, "cannot request gpio for card detect\n");
- }
-}
-
#ifdef CONFIG_OF
static int sdhci_s3c_parse_dt(struct device *dev,
struct sdhci_host *host, struct s3c_sdhci_platdata *pdata)
{
struct device_node *node = dev->of_node;
- struct sdhci_s3c *ourhost = to_s3c(host);
u32 max_width;
- int gpio;
/* if the bus-width property is not specified, assume width as 1 */
if (of_property_read_u32(node, "bus-width", &max_width))
@@ -467,18 +397,8 @@ static int sdhci_s3c_parse_dt(struct device *dev,
return 0;
}
- gpio = of_get_named_gpio(node, "cd-gpios", 0);
- if (gpio_is_valid(gpio)) {
- pdata->cd_type = S3C_SDHCI_CD_GPIO;
- pdata->ext_cd_gpio = gpio;
- ourhost->ext_cd_gpio = -1;
- if (of_get_property(node, "cd-inverted", NULL))
- pdata->ext_cd_gpio_invert = 1;
+ if (of_get_named_gpio(node, "cd-gpios", 0))
return 0;
- } else if (gpio != -ENOENT) {
- dev_err(dev, "invalid card detect gpio specified\n");
- return -EINVAL;
- }
/* assuming internal card detect that will be configured by pinctrl */
pdata->cd_type = S3C_SDHCI_CD_INTERNAL;
@@ -681,6 +601,8 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
pm_runtime_use_autosuspend(&pdev->dev);
pm_suspend_ignore_children(&pdev->dev, 1);
+ mmc_of_parse(host->mmc);
+
ret = sdhci_add_host(host);
if (ret) {
dev_err(dev, "sdhci_add_host() failed\n");
@@ -689,15 +611,6 @@ static int sdhci_s3c_probe(struct platform_device *pdev)
goto err_req_regs;
}
- /* The following two methods of card detection might call
- sdhci_s3c_notify_change() immediately, so they can be called
- only after sdhci_add_host(). Setup errors are ignored. */
- if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_init)
- pdata->ext_cd_init(&sdhci_s3c_notify_change);
- if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
- gpio_is_valid(pdata->ext_cd_gpio))
- sdhci_s3c_setup_card_detect_gpio(sc);
-
#ifdef CONFIG_PM_RUNTIME
if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
clk_disable_unprepare(sc->clk_io);
@@ -718,16 +631,12 @@ static int sdhci_s3c_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_s3c *sc = sdhci_priv(host);
- struct s3c_sdhci_platdata *pdata = sc->pdata;
-
- if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
- pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
if (sc->ext_cd_irq)
free_irq(sc->ext_cd_irq, sc);
#ifdef CONFIG_PM_RUNTIME
- if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
+ if (sc->pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
clk_prepare_enable(sc->clk_io);
#endif
sdhci_remove_host(host, 1);